﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace test
{
    class Program
    {
        static void Main(string[] args)
        {
            IList<Object> l = null;
            foreach (Object o in l)
            {
                Console.WriteLine("s");
            }
            return;
        }
    }
}
